CVE-2026-10024
Received Received - Intake
Stored XSS in TinyMCE Shortcode Addon WordPress Plugin

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Wordfence

Description
The TinyMCE shortcode Addon plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'btnrel' Shortcode Attribute in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-09
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-10024
EUVD
EUVD-2026-35303
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tinymce shortcode_addon to 1.0.0 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

The TinyMCE shortcode Addon plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in all versions up to and including 1.0.0. This vulnerability arises due to insufficient input sanitization and output escaping of the 'btnrel' shortcode attribute.

Authenticated attackers with contributor-level access or higher can exploit this flaw to inject arbitrary web scripts into pages. These scripts execute whenever any user accesses the injected page.

Impact Analysis

This vulnerability can allow attackers with contributor-level access to inject malicious scripts into WordPress pages. When other users visit these pages, the malicious scripts execute in their browsers.

  • It can lead to theft of user credentials or session tokens.
  • It can enable unauthorized actions on behalf of users.
  • It can compromise the integrity and trustworthiness of the affected website.
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